This item is unused, but I've thrown away the box. Ci Digital Thermometer for Animals/Pets MT-G19 x 1 Measurement time: Approximately 10 seconds Power supply: Button battery LR41 (included) Battery replaceable Size: Approximately L160 x W25 x H15mm ※ This product will beep when the temperature rise is slow (0.1℃ or less/4 seconds). When measuring the equilibrium temperature, continue to measure the actual temperature after the beep. Thank you very much (^-^)